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We have 170 questions about mending 'combi central heating system'

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Mend Heating, Home Heating Systems

Pressure rising in central heating system?

I have a Ferroli combi boiler which has worked fine for the last 8 years. However it has recently begun to giv... [Read more]
Mend Heating, Home Heating Systems

Britony Combi 80 no pressure?

My Britony Combi 80 central heating system has stopped working (but hot water was OK) and the pressure gauge s... [Read more]
Mend D.I.Y, Plumbing

wireless system for central heating?

i have a combi boiler (worcester 24i junior) witha british gas wireless system (WR1) for our central heating. ... [Read more]
Mend Heating, Home Heating Systems

Draining central heating?

i have pipes i need moving the problem is i need to drain the system how do i go about this its a worcester c... [Read more]
Mend Heating, Home Heating Systems

Heat Upstairs But not Downstairs?

I have 6 radiators in my house, 4 upstairs and 2 downstairs. My upstairs radiators are fine but I have a probl... [Read more]
Mend Heating, Home Heating Systems

Ferroli optima 701 (combi boiler)?

The water pressure in the boiler creeps up to 3 bar, I have previously reduced the pressure in the system by d... [Read more]
Mend Heating, Home Heating Systems

Britony Combi Se loss of pressure?

Hi, I have a Britony Combi SE boiler (an 80 I think) and I am losing pressure from the central heating side. I... [Read more]
Mend D.I.Y, Plumbing

Puma 80e downstairs radiators cold upstairs very warm?

Hi i have a Potterton Puma 80e combi boiler. With the central heating on the upstairs radiators are getting ve... [Read more]
Mend Heating, Home Heating Systems

how can I fix my ravenheat combi white star LST80?

when I switch the central heating on it does work but the pressure guage goes up and when it stops the pressu... [Read more]
Mend Heating, Home Heating Systems

wireing diagram for a ferroli domicompact f30?

I have a ferroli domicompact f30 boiler with a convensinal central heating system. i have lately instaled unde... [Read more]
Mend Heating, Home Heating Systems

We get hot water when we turn on the heating but not otherwise?

If we turn on the external heating thermostat, the central heating system works (boiler fires and radiators co... [Read more]
Mend Heating, Home Heating Systems

Why have I got hot water but heating system?

When I turn on combi boiler all I have is hot water. There is no central heating - What should I do?
Mend Heating, Home Heating Systems

How can I fix my Vaillant Combi boiler VCW 18 T3W FH?

Whilst using the shower, the hot water cut out. The boiler failed to fire up for water until I'd left it for ... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Ferroli combi boiler losing water pressure?

I have a Ferroli Moderna combi boiler and have to keep on re-pressurising the system (by using a filling loop)... [Read more]
Mend Heating, Home Heating Systems

How can i fix my puma combi boiler?

The pilot light does not come on I have no central heating or hot water. We have checked the water system and... [Read more]
Mend Heating, Home Heating Systems

central heating not working?

I have a biasi 24s combi boiler. Dhw working but heating not working, flow pipe from boiler and first radiator... [Read more]
Mend Heating, Home Heating Systems

boiler not staying alight for long when hot water switched on?

when the hot water is switched on the boiler lights ok but only stays on for short period of time. water does ... [Read more]
Mend Heating, Home Heating Systems

Worcester 350 Combi Plate heat Exchanger - Is engineers diagnosis correct ?

We have a Worcester 350 Combi and recently when we have been running the hot water the system has been overhea... [Read more]
Mend Heating, Home Heating Systems

Baxi 105e. Central Heating working, no hot water through taps !?

Hi everyone. I've got a 3 year old Baxi Combi 105e, that, for some reason last night, got low water pressure a... [Read more]
Mend Heating, Home Heating Systems

Baxi Potterton Combi Boiler 105e?

I have got Baxi Potterton Combi Boiler 105e (Electro -Mechanical timer ) - the problem with it is that it no ... [Read more]
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